The Supply of Dollars Slopes Upward Because as the Dollar

The supply of dollars slopes upward because as the dollar appreciates,________.

A) the exchange rate rises and imported goods become more expensive, which leads to more dollars being supplied
B) the exchange rate falls and imported goods become less expensive, which leads to more dollars being supplied
C) the exchange rate rises and imported goods become less expensive, which leads to more dollars being supplied
D) the exchange rate falls and imported goods become more expensive, which leads to fewer dollars being demanded